Here are the possible solutions for era or whip for a pitcher clue
Answer
Clue
Relevancy
stat
Clue
ERA or WHIP, for a pitcher
aeon
Clue
Era after era after era
Era after era
Definition
the largest division of geological time, composed of several eras, also EON
devo
Clue
"It's not too late / To whip it / Whip it good" singers
Definition
(short for) devolution, as in devo max, an arrangement in which a central government transfers the maximum amount of authority to a regional government while still retaining sovereignty over it